Public bug reported:
I noticed a long time for Update Manager to "complete", that means,
showing the available update list.
Profiling shows that the private function "get_apt_pkg_cache" from
ubuntu-pro-client:/usr/lib/python3/dist-packages/uaclient/apt.py is
called multiple times, summing up to 17 s delay.
--->
% python3 -m cProfile -s tottime ./update-manager
WARNING:root:can not import unity GI Namespace Dbusmenu not available
9479342 function calls (9456814 primitive calls) in 35.130 seconds
Ordered by: internal time
ncalls tottime percall cumtime percall filename:lineno(function)
48 17.232 0.359 18.049 0.376 apt.py:287(get_apt_pkg_cache)
1 4.795 4.795 34.356 34.356 Gtk.py:1690(main)
3 1.192 0.397 1.250 0.417 cache.py:203(open)
417580 0.822 0.000 2.629 0.000 cache.py:308(__iter__)
3 0.799 0.266 0.802 0.267 {built-in method time.sleep}
<---
** Affects: ubuntu-advantage-tools (Ubuntu)
Importance: Undecided
Status: New
** Tags: noble
** Tags added: noble
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https://bugs.launchpad.net/bugs/2110300
Title:
get_apt_pkg_cache is slowing update-manager down
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